def _sql_version(self):
'''internal init function to check version of SQLite driver in-use by QtSql module'''
con='LiteyVersionCheck'
db = QSqlDatabase.addDatabase("QSQLITE",con)
db.setDatabaseName(':memory:')
db.open()
ver=db.exec_('select sqlite_version()')
assert ver.next()
result=str(ver.value(0))
ver.finish()
del ver
db.close()
del db
QSqlDatabase.removeDatabase(con)
return result
def cleanup(self, conn_name):
""" may not be the same connection name as appointed by 'name' argument
See Worker class '__init__' method bellow """
QSqlDatabase.removeDatabase(conn_name)